What absorbs at 3223 cm⁻¹ in an FTIR spectrum?
A band near 3223 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 6 cited sources
Možná přiřazení funkčních skupin
| Funkční skupina | Podpůrná fakta | Citované zdroje | Nejvyšší spolehlivost |
|---|---|---|---|
| Hydroxyl (O-H) | 5 | 4 | 1,0 |
| N h | 1 | 1 | 1,0 |
| Amine primary | 1 | 1 | 1,0 |
| Alkyl C-H | 1 | 1 | 1,0 |
| Carbonyl (C=O) | 1 | 1 | 1,0 |
| Ester | 1 | 1 | 1,0 |
| Hydrogen bond | 1 | 1 | 1,0 |
Pořadí odráží nahromaděné literární důkazy, nikoli jediné autoritativní pravidlo. Vždy potvrďte v kontextu vašeho vzorku.
Literatura za těmito přiřazeními
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Hydrogen bond spolehlivost 1,0
“In this experiment the band at 3223 which is usually however this may be related to the precision of the mass balance interpreted as a more highly ordered hydrogen bonding network, used (readability to four decimal places).”
Time series Fourier transform infrared spectroscopy for characterization of water vapor sorption in hydrophilic and hydrophobic polymeric films DOI: 10.1016/j.saa.2020.119371 -
Hydroxyl (O-H) spolehlivost 1,0
“Raft of AR9 formulation showed peaks at 3223.09, 1586.67-1, 1302.64-1, 1162.01-1,and cm-1 1688.17, 1027.74 Disclosure statement due to -OH stretching, ester carbonyl group (C=O) stretchNo potential conflict of interest was reported by the a”
pH responsive alginate polymeric rafts for controlled drug release by using box behnken response surface design DOI: 10.1080/15685551.2016.1231046 -
Hydroxyl (O-H) spolehlivost 1,0
“A strong band at 3223 results from O-H stretching of the cm-1 non-substituted hydroxyl groups of cellulose.”
Ahmed 等 - 2021 - STRUCTURAL AND OPTICAL CHARACTERISTICS OF POLY(VIN DOI: 10.4314/bcse.v35i3.12 -
Alkyl C-H spolehlivost 1,0
“Spectrum of GZ showed prominent -OH cm-1, C-H stretching band at stretching band at 3223.05 cm-1, cm-1 2875.86 and -C=O stretching peak 2947.23 cm-1, C=C stretching vibration at 1656.85 at 1722.43”
Harwansh 和 Deshmukh - 2021 - Formulation and Evaluation of Sodium Alginate and DOI: 10.5530/ijper.55.3.145 -
Amine primary spolehlivost 1,0
“For LDHcm-1 For LDH-SAS, the absorption peaks at about 3411 and 3223 were mainly related to the primary SAS, the absorption peaks at about 3411 and 3223 cm-1 were mainly related to the primary amine cm-1 amine bending vibration of N-H.”
Aging-Resistant Functionalized LDH–SAS/Nitrile-Butadiene Rubber Composites: Preparation and Study of Aging Kinetics/Anti-Aging Mechanism DOI: 10.3390/ma11050836 -
Hydroxyl (O-H) spolehlivost 1,0
“The first strong FTIR - 3223cm-1 OD control OD sample is due to O-H stretching of absorption band at × 100.”
Riyajan 和 Nuim - 2013 - Interaction of Green Polymer Blend of Modified Sod DOI: 10.1155/2013/364253
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